CN103050182B - Shallow seabed symmetric audio communication cable and manufacture method thereof - Google Patents
Shallow seabed symmetric audio communication cable and manufacture method thereof Download PDFInfo
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- CN103050182B CN103050182B CN201210537345.1A CN201210537345A CN103050182B CN 103050182 B CN103050182 B CN 103050182B CN 201210537345 A CN201210537345 A CN 201210537345A CN 103050182 B CN103050182 B CN 103050182B
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Abstract
The invention relates to a shallow seabed symmetric audio communication cable and a manufacture method thereof. A high pressure polyethylene insulation layer is extruded outside a copper conductor to form an insulated wire core, four insulation cores with different colors are twisted into star quads, the four star quads are respectively wound outside a polyethylene pad core, a measurement copper wire is arranged in the polyethylene pad core, signal wires are respectively arranged between the peripheries of every two adjacent star quads and are twisted into a core, and a polyester film strip, a high pressure polyethylene sheath, a first impregnated hemp rope, a first asphalt coating layer, a copper alloy wire anchoring layer, a second asphalt coating layer, a second impregnated hemp rope lining layer, a third asphalt coating layer, an aluminum magnesium alloy plated steel wire anchoring layer, a fourth asphalt coating layer, a first impregnated gird layer, a fifth asphalt coating layer, a second impregnated gird layer, a sixth asphalt coating layer and a plastic film adhering-preventing layer are sequentially coated on the periphery of the core. The shallow seabed symmetric audio communication cable is capable of transmitting communication and control signals, and has the advantages of stable structure, seepage prevention, corrosion resistance, good pulling resisting property, and stable signal transmission during water impaction.
Description
Technical field
The present invention relates to a kind of telecommunication cable, particularly a kind of bay symmetric audio communication cable.The invention still further relates to a kind of manufacture method of bay symmetric audio communication cable.
Background technology
Along with the exploitation of marine energy, submarine cable as seabed Signal transmissions current-carrying device uses more and more, technical requirement is also more and more higher, especially cable machinery physical property and excellent electric properties is required, have and guarantee that excellent signal transmission performance, water-impervious, seawater corrosion resistance, tension drag mechanical performance under sea water immersion impacts, long service life, reliability is high.Common telecommunication cable is used for seabed or gentlier cable bad, signal attenuation can be caused serious because of sea washes because of own wt, or cause cable tension to drag stressedly too greatly and easily damages because own wt is heavier; Prior art generally selects telecommunication cable to be arranged together the compound cable of formation with power cable, although this kind of structure ensure that the structural safety of telecommunication cable, but easily cause the Signal transmissions of the highfield of power cable to telecommunication cable to impact, and not needing power cable only to need the occasion of telecommunication cable as adopted composite cable then serious waste of resources for some, not adopting composite cable easily to cause telecommunication cable to the bad adaptability of environment.
Summary of the invention
Primary and foremost purpose of the present invention is; overcome problems of the prior art; a kind of bay symmetric audio communication cable is provided; Stability Analysis of Structures, weight are suitable, water-impervious, seawater corrosion resistance, tension drag good mechanical property, chance water slug stable signal transmission is good, can be used for the bay situation comparatively section of the special mechanical protection of complicated needs or the liaison at seabeach between continent and offshore island.
For realizing above object, a kind of bay symmetric audio communication cable provided by the present invention, be extruded with high pressure polyethylene insulated layer outside solid circles copper conductor and form insulated wire cores, the described insulated wire cores of four different colours is twisted into star quad stranding group, is in the work of cornerwise two formations right, four described star quad stranding groups are wound with the colour band of different colours and tangent arranged in arrays in the form of a ring successively respectively, and the central area of four described star quad stranding groups is provided with star polypropylene bedding core, is provided with measurement copper cash in described polypropylene bedding core, holding wire is respectively equipped with between the periphery of star quad stranding group described in adjacent two, four described holding wires and four described star quad stranding groups are jointly around described polypropylene bedding core twisted synthesizing cable core, the periphery overlap of described cable core is surrounded with mylar tape, described holding wire and described star quad stranding group are inscribed within described mylar tape respectively, the periphery of described mylar tape is extruded with polyethylene from high pressure process sheath, the periphery uniform weave of described polyethylene from high pressure process sheath has the first dipping rope made of hemp lining, the periphery of described first dipping rope made of hemp lining is coated with the first pitch coat, the periphery of described first pitch coat is closely enclosed with copper alloy wire armour in concentric twisted mode, the periphery of described copper alloy wire armour is coated with the second pitch coat, the periphery uniform weave of described second pitch coat has the second dipping rope made of hemp lining, the periphery of described second dipping rope made of hemp lining is coated with the 3rd pitch coat, the periphery of described 3rd pitch coat is closely enclosed with in concentric twisted mode magnesium alloy steel wire armour layer of aluminizing, described periphery of aluminizing magnesium alloy steel wire armour layer is coated with the 4th pitch coat, the periphery of described 4th pitch coat is evenly surrounded with the first dipping sack belt, the periphery of described first dipping sack belt is coated with the 5th pitch coat, the periphery of described 5th pitch coat is evenly surrounded with the second dipping sack belt, the periphery of described second dipping sack belt is coated with the 6th pitch coat, the periphery of described 6th pitch coat is surrounded with the anti-adhesive linkage of plastic film.
Relative to prior art, the present invention achieves following beneficial effect: (1) polypropylene has excellent physical mechanical mechanical property, flexural fatigue resistance energy and non-hygroscopic energy, the mechanical performance of cable can be increased on the one hand as bedding core, the structure of the cable core of star polypropylene bedding core Absorbable organic halogens communication simultaneously, fix four star quad stranding groups well, avoiding star quad stranding group to be subjected to displacement when meeting with external force, affecting communication signal transmissions.(2) star quad stranding group structure comparison is stablized, be in the work of cornerwise two formations right, four star quad stranding groups form eight work to transmission audio signal, such a configuration obviates the first stranded loosely organized easy distortion brought by eight line strands more between two, the drawback that easy cross-talk, the outside diameter of cable are excessive.(3) high pressure polyethylene insulated Rotating fields is closely knit, density is little, mechanical strength is high, electrical insulation properties is good, the drawback that the signal attenuation that conductor adopts simple solid circular copper conductors to eliminate to adopt stranded copper wire to bring as conductor is in the past large, be conducive to stable signal transmission, ensure that the natural attenuation attenuatingization in cable running; Simultaneously adopt single solid conductors can reduce line between unbalanced resistance, stabilized communication Signal transmissions.(4) measure copper cash and can detect submarine communication cable transmission field condition, centering can ensure to measure copper cabling rounding property together with polypropylene bedding core, makes it the external force suffered when cable bend minimum, ensures the accuracy of testing result.(5) holding wire can transfer control signal, and twisted synthesizing cable can realize the dual property that the communications of whole cable and control signal are transmitted together with star quad stranding group, reduces costs in Practical Project; Holding wire is arranged in the peripheral gap of star quad stranding group, both can make cable core rounding, compact, closely knit more, can reduce cable core diameter again.(6) mylar tape is overlapping wrapped can wrap cable core, avoids stranding cable core on the one hand and occurs loose, and polyester film has the moistureproof impregnability of excellent water resistance simultaneously, can favourable protection humidified insulation insulation reduce.(7) polyethylene from high pressure process jacket structure is closely knit, density is little, mechanical strength is high, moisture penetration is good, electrical insulation properties is good, and it can ensure that cable possesses long-time resistance to immersion scraped finish, strengthens submarine cable security of operation.(8) flooding rope made of hemp lining makes metal armor layers and restrictive coating or pitch coat well be isolated, and weakens the defects such as the burr that the internal oppressive force of its outer layer metal armouring and armouring silk may exist and causes damage to inside; Rope made of hemp braiding has gap, and each single rope made of hemp is independent of each other, and can reduce the stress in cable bend, strengthens the toughness of cable; The mechanical strength of the dipping rope made of hemp is high, and pliability is good, and have excellent deformation restorative, can bear very large axial force, longitudinal tension that greatly can strengthen cable drags performance.(9) pitch has good meltbility and processing performance, is convenient to evenly be coated in cable core periphery, and especially asphalt waterproofing excellent performance, corrosion-resistant, can prevent outside seawater from after experience is long-time, penetrating into cable inside, causes cable to run hidden danger.(10) copper alloy wire armour both every magnetic, can avoid the loss that eddy current magnetic hysteresis causes, and increased ampacity, mechanical strength is larger than copper again, cost is then cheap than copper, and has excellent anti-seawater corrosion performance, and the long-term security for cable runs and benefits.(11) magnesium alloy steel wire armour layer of aluminizing can strengthen the mechanical resistance tensile strength of cable well, and protection cable is not mechanically damaged, and has excellent anti-seawater corrosion performance, within the cable time limit in useful life, provide mechanical protection to it.(12) mechanical strength of flooding sack belt is high, pliability is good, and have excellent deformation restorative, self has water resistance, denser after being wound around, water-swellable can stop seawater to enter further, closely can wrap up cable, can bear very large radial load, adopt the double-deck lateral stressed performance that can strengthen cable, make cable resistant to salt water impact, flood sack belt when external force impacts cable and form buffer strip, weaken inner stressed.(13) when the anti-adhesive linkage of plastic film can prevent high temperature production or construction operation, pitch coat generation melting adhesion causes between adjacent cable and bonds, and affects operation.
As preferred version of the present invention, the diameter of described solid circles copper conductor is 1.2mm, the nominal thickness of described high pressure polyethylene insulated layer is 1.0mm and minimum thickness is not less than 90% of nominal thickness, maximum ga(u)ge is not more than 110% of nominal thickness, and the diameter deviation that arbitrary vertical cross-section records is no more than 10%; The twisting pitch of four star quad stranding groups is different.The drawback that the signal attenuation that conductor adopts simple solid circular copper conductors to eliminate to adopt stranded copper wire to bring as conductor is in the past large, is conducive to stable signal transmission, ensure that the natural attenuation attenuatingization in cable running; Simultaneously adopt single solid conductors can reduce line between unbalanced resistance, stabilized communication Signal transmissions; This insulated wire cores 20 DEG C of lines are not more than 22.8 Ω/km to loop D.C. resistance; Line between insulation resistance be not less than 10000 M Ω km, core insulation resistance is over the ground not less than 10000 M Ω km; Line is not more than 0.87dB/km to natural attenuation (0.8kHz and 8.5kHz); Near-end crosstalk attenuation (0.8kHz and 8.5kHz) is not less than 78.17dB/km; Far-end crosstalk ratio (0.8kHz and 8.5kHz) is not less than 17.81dB/km; 50Hz AC voltage test line between 2000V/5min do not puncture, core over the ground 2000V/5min does not puncture.
As preferred version of the present invention, the soft copper skein silk that described measurement copper cash is 0.3mm by seven diameters closes and forms, and stranded lay ratio is 20 ~ 22 times; The thickness of described mylar tape is 0.05mm and lap wound bag of attaching most importance to; The nominal thickness of described polyethylene from high pressure process sheath is 1.6 ~ 2.0mm, and minimum thickness is not less than 90% of nominal thickness, and maximum ga(u)ge is not more than 110% of nominal thickness, and the diameter deviation that arbitrary vertical cross-section records is no more than 20%.After this polyethylene from high pressure process sheath immersion scraped finish test soaks seawater 24h according to IEC 229.4-1, angle steel draws so that the power of 345N is curved, adds DC20kV voltage 1 minute, then add 37.5kV voltage ± 10 time, crack-free, without the visible slight crack of naked eyes.
As preferred version of the present invention, described first dipping rope made of hemp lining and the second dipping rope made of hemp lining are formed by the concentric close weave of the impregnated cable rope made of hemp of 2.5mm respectively.
As preferred version of the present invention, described first pitch coat, the second pitch coat, the 3rd pitch coat, the 4th pitch coat, the 5th pitch coat and the 6th pitch coat adopt low temperature-20 DEG C not chap respectively, and the pitch coating that high temperature 90 DEG C does not occur to drip forms.
As preferred version of the present invention, the diameter of the copper alloy wire of described copper alloy wire armour is 6.0 ± 0.03 mm, and raw material components and weight content as follows, copper: iron: plumbous: zinc=(89.0 ~ 91.0): (0.01 ~ 0.05): (0.01 ~ 0.05): 10; Described diameter of aluminizing magnesium alloy steel wire armour layer is 6.0 ± 0.03 mm; Described copper alloy wire armour and described direction of lay of aluminizing magnesium alloy steel wire armour layer are left-hand.This copper alloy wire armour both every magnetic, can avoid the loss that eddy current magnetic hysteresis causes, and increased ampacity, and mechanical strength is larger than copper again, and cost is then cheap than copper, and has excellent anti-seawater corrosion performance, and the long-term security for cable runs and benefits; This magnesium alloy steel wire armour layer mechanical resistance tensile strength of aluminizing is high, and cable can be protected not to be mechanically damaged, and has excellent anti-seawater corrosion performance.
As preferred version of the present invention, the impregnated cable sack band overlap wrapping that described first dipping sack belt and the second dipping sack belt are 2.0mm by thickness respectively forms, and both winding directions are contrary.Two-layer reverse acting spiral is wound around and can ensures the stable of structure, and the exterior cover sheets as cable has comprehensive water resistance.
As preferred version of the present invention, the periphery of the anti-adhesive linkage of described plastic film is coated with talcum powder pulp layer.Talcum powder pulp layer can reduce the frictional force between cable appearance, prevents cable outer layer mutually bonding.
Another object of the present invention is; a kind of manufacture method of bay symmetric audio communication cable is provided; the telecommunication cable of the method manufacture; Stability Analysis of Structures, weight are suitable, water-impervious, seawater corrosion resistance, tension drag good mechanical property, chance water slug stable signal transmission is good, can be used for the bay situation comparatively section of the special mechanical protection of complicated needs or the liaison at seabeach between continent and offshore island.
For realizing above object, the manufacture method of bay symmetric audio communication cable provided by the present invention, comprises the following steps successively: at diameter be 1.2mm solid circles copper conductor outside to be extruded with nominal thickness be that the high pressure polyethylene insulated layer of 1.0mm forms insulated wire cores; The described insulated wire cores of four different colours is twisted into star quad stranding group, is in the work of cornerwise two formations right; Be wound around the colour band of different colours outward respectively in described star quad stranding group, then by four described star quad stranding groups, tangent arranged in arrays is in the form of a ring in star polypropylene bedding core periphery successively, and the twisting pitch of four star quad stranding groups is different, is provided with measurement copper cash in described polypropylene bedding core; Then between the periphery of star quad stranding group described in adjacent two, holding wire is arranged respectively, then by four described holding wires and four described star quad stranding groups jointly around described polypropylene bedding core twisted synthesizing cable core, then the overlapping wrapped mylar tape in the periphery of described cable core, the thickness of mylar tape is 0.05mm; described holding wire and described star quad stranding group are inscribed within described mylar tape respectively, the polyethylene from high pressure process sheath that nominal thickness is 1.6 ~ 2.0mm is extruded in the periphery of described mylar tape, adopt the concentric close weave of the impregnated cable rope made of hemp first of 2.5mm to flood rope made of hemp lining in the periphery of described polyethylene from high pressure process sheath, the first pitch coat is applied in the periphery of described first dipping rope made of hemp lining, copper alloy wire armour is closely wrapped up in concentric twisted mode in the periphery of described first pitch coat, the second pitch coat is applied in the periphery of described copper alloy wire armour, adopt the concentric close weave of the impregnated cable rope made of hemp second of 2.5mm to flood rope made of hemp lining in the periphery of described second pitch coat, at periphery coating the 3rd pitch coat of described second dipping rope made of hemp lining, closely wrap up in concentric twisted mode magnesium alloy steel wire armour layer of aluminizing in the periphery of described 3rd pitch coat, at the periphery of described magnesium alloy steel wire armour layer of aluminizing coating the 4th pitch coat, the impregnated cable sack band overlap wrapping being 2.0mm at the periphery of described 4th pitch coat employing thickness becomes the first dipping sack belt, at periphery coating the 5th pitch coat of described first dipping sack belt, the impregnated cable sack band overlap wrapping being 2.0mm at the periphery of described 5th pitch coat employing thickness becomes the second dipping sack belt, at periphery coating the 6th pitch coat of described second dipping sack belt, at the anti-adhesive linkage of the wrapped plastic film in periphery of described 6th pitch coat.
Relative to prior art, the cable of method manufacture of the present invention achieves following beneficial effect: (1) polypropylene has excellent physical mechanical mechanical property, flexural fatigue resistance energy and non-hygroscopic energy, the mechanical performance of cable can be increased on the one hand as bedding core, the structure of the cable core of star polypropylene bedding core Absorbable organic halogens communication simultaneously, fix four star quad stranding groups well, avoiding star quad stranding group to be subjected to displacement when meeting with external force, affecting communication signal transmissions.(2) star quad stranding group structure comparison is stablized, be in the work of cornerwise two formations right, four star quad stranding groups form eight work to transmission audio signal, such a configuration obviates the first stranded loosely organized easy distortion brought by eight line strands more between two, the drawback that easy cross-talk, the outside diameter of cable are excessive.(3) high pressure polyethylene insulated Rotating fields is closely knit, density is little, mechanical strength is high, electrical insulation properties is good, the drawback that the signal attenuation that conductor adopts simple solid circular copper conductors to eliminate to adopt stranded copper wire to bring as conductor is in the past large, be conducive to stable signal transmission, ensure that the natural attenuation attenuatingization in cable running; Simultaneously adopt single solid conductors can reduce line between unbalanced resistance, stabilized communication Signal transmissions.(4) measure copper cash and can detect submarine communication cable transmission field condition, centering can ensure to measure copper cabling rounding property together with polypropylene bedding core, makes it the external force suffered when cable bend minimum, ensures the accuracy of testing result.(5) holding wire can transfer control signal, and twisted synthesizing cable can realize the dual property that the communications of whole cable and control signal are transmitted together with star quad stranding group, reduces costs in Practical Project; Holding wire is arranged in the peripheral gap of star quad stranding group, both can make cable core rounding, compact, closely knit more, can reduce cable core diameter again.(6) mylar tape is overlapping wrapped can wrap cable core, avoids stranding cable core on the one hand and occurs loose, and polyester film has the moistureproof impregnability of excellent water resistance simultaneously, can favourable protection humidified insulation insulation reduce.(7) polyethylene from high pressure process jacket structure is closely knit, density is little, mechanical strength is high, moisture penetration is good, electrical insulation properties is good, and it can ensure that cable possesses long-time resistance to immersion scraped finish, strengthens submarine cable security of operation.(8) flooding rope made of hemp lining makes metal armor layers and restrictive coating or pitch coat well be isolated, and weakens the defects such as the burr that the internal oppressive force of its outer layer metal armouring and armouring silk may exist and causes damage to inside; Rope made of hemp braiding has gap, and each single rope made of hemp is independent of each other, and can reduce the stress in cable bend, strengthens the toughness of cable; The mechanical strength of the dipping rope made of hemp is high, and pliability is good, and have excellent deformation restorative, can bear very large axial force, longitudinal tension that greatly can strengthen cable drags performance.(9) pitch has good meltbility and processing performance, is convenient to evenly be coated in cable core periphery, and especially asphalt waterproofing excellent performance, corrosion-resistant, can prevent outside seawater from after experience is long-time, penetrating into cable inside, causes cable to run hidden danger.(10) copper alloy wire armour both every magnetic, can avoid the loss that eddy current magnetic hysteresis causes, and increased ampacity, mechanical strength is larger than copper again, cost is then cheap than copper, and has excellent anti-seawater corrosion performance, and the long-term security for cable runs and benefits.(11) magnesium alloy steel wire armour layer of aluminizing can strengthen the mechanical resistance tensile strength of cable well, and protection cable is not mechanically damaged, and has excellent anti-seawater corrosion performance, within the cable time limit in useful life, provide mechanical protection to it.(12) mechanical strength of flooding sack belt is high, pliability is good, and have excellent deformation restorative, self has water resistance, denser after being wound around, water-swellable can stop seawater to enter further, closely can wrap up cable, can bear very large radial load, adopt the double-deck lateral stressed performance that can strengthen cable, make cable resistant to salt water impact, flood sack belt when external force impacts cable and form buffer strip, weaken inner stressed.(13) when the anti-adhesive linkage of plastic film can prevent high temperature production or construction operation, pitch coat generation melting adhesion causes between adjacent cable and bonds, and affects operation.
As preferred version of the present invention, the soft copper skein silk that described measurement copper cash is 0.3mm by seven diameters closes and forms, and stranded lay ratio is 20 ~ 22 times; The diameter of the copper alloy wire of described copper alloy wire armour is 6.0 ± 0.03 mm, and raw material components and weight content as follows, copper: iron: plumbous: zinc=(89.0 ~ 91.0): (0.01 ~ 0.05): (0.01 ~ 0.05): 10; Described diameter of aluminizing magnesium alloy steel wire armour layer is 6.0 ± 0.03 mm; Described copper alloy wire armour and described direction of lay of aluminizing magnesium alloy steel wire armour layer are left-hand.This copper alloy wire armour both every magnetic, can avoid the loss that eddy current magnetic hysteresis causes, and increased ampacity, and mechanical strength is larger than copper again, and cost is then cheap than copper, and has excellent anti-seawater corrosion performance, and the long-term security for cable runs and benefits; This magnesium alloy steel wire armour layer mechanical resistance tensile strength of aluminizing is high, and cable can be protected not to be mechanically damaged, and has excellent anti-seawater corrosion performance.
Accompanying drawing explanation
Fig. 1 is the structural representation of bay symmetric audio communication cable of the present invention.
In figure: 1. polypropylene bedding core; 2. measure copper cash; 3. star quad stranding group; 3a. insulated wire cores; 3b. colour band; 4. holding wire; 5. mylar tape; 6. polyethylene from high pressure process sheath; 7. the first dipping rope made of hemp lining; 8. the first pitch coat; 9. copper alloy wire armour; 10. the second pitch coat; 11. second dipping rope made of hemp linings; 12. the 3rd pitch coats; 13. aluminize magnesium alloy steel wire armour layer; 14. the 4th pitch coats; 15. first dipping sack belts; 16. the 5th pitch coats; 17. second dipping sack belts; 18. the 6th pitch coats; The anti-adhesive linkage of 19. plastic film.
Embodiment
Bay symmetric audio communication cable of the present invention manufactures successively according to the following steps: (1) is be extruded with the high pressure polyethylene insulated layer formation insulated wire cores 3a that nominal thickness is 1.0mm outside the solid circles copper conductor of 1.2mm at diameter; The nominal thickness of high pressure polyethylene insulated layer is 1.0mm and minimum thickness is not less than 90% of nominal thickness, and maximum ga(u)ge is not more than 110% of nominal thickness, and the diameter deviation that arbitrary vertical cross-section records is no more than 10%.
(2) the insulated wire cores 3a of four different colours is twisted into star quad stranding group 3, is in the work of cornerwise two formations right; The colour band 3b of different colours is wound around outward respectively in star quad stranding group, then by four star quad stranding groups successively tangent arranged in arrays in the form of a ring in star polypropylene bedding core 1 periphery, the twisting pitch of four star quad stranding groups is different, be provided with in polypropylene bedding core 1 and measure copper cash 2, measure the soft copper skein silk conjunction that copper cash 2 is 0.3mm by seven diameters to form, stranded lay ratio is 20 ~ 22 times.
(3) between the periphery of adjacent two star quad stranding groups, arrange holding wire 4 respectively, then by four holding wires and four star quad stranding groups jointly around polypropylene bedding core twisted synthesizing cable core.
(4) adopt thickness to be that the mylar tape 5 of 0.05mm is overlapping wrapped in the periphery of cable core; Holding wire 4 and star quad stranding group 3 are inscribed within mylar tape 5 respectively, extrude the polyethylene from high pressure process sheath 6 that nominal thickness is 1.6 ~ 2.0mm in the periphery of mylar tape 5; The nominal thickness of polyethylene from high pressure process sheath 6 is 1.6 ~ 2.0mm, and minimum thickness is not less than 90% of nominal thickness, and maximum ga(u)ge is not more than 110% of nominal thickness, and the diameter deviation that arbitrary vertical cross-section records is no more than 20%.
(5) the concentric close weave of the impregnated cable rope made of hemp first of 2.5mm is adopted to flood rope made of hemp lining 7 in the periphery of polyethylene from high pressure process sheath 6, the first pitch coat 8 is applied in the periphery of the first dipping rope made of hemp lining 7, copper alloy wire armour 9 is closely wrapped up in concentric twisted mode in the periphery of the first pitch coat 8, the diameter of the copper alloy wire of copper alloy wire armour 9 is 6.0 ± 0.03 mm, direction of lay is left-hand, and raw material components and weight content as follows, copper: iron: plumbous: zinc=(89.0 ~ 91.0): (0.01 ~ 0.05): (0.01 ~ 0.05): 10.
(6) the second pitch coat 10 is applied in the periphery of copper alloy wire armour 9, the concentric closely wrapped second dipping rope made of hemp lining 11 of the impregnated cable rope made of hemp of 2.5mm is adopted in the periphery of the second pitch coat 10, at periphery coating the 3rd pitch coat 12 of the second dipping rope made of hemp lining 11, closely wrap up in concentric twisted mode magnesium alloy steel wire armour layer 13 of aluminizing in the periphery of the 3rd pitch coat 12, the diameter of magnesium alloy steel wire armour layer 13 of aluminizing is 6.0 ± 0.03 mm, and direction of lay is left-hand.
(7) at the periphery of magnesium alloy steel wire armour layer 13 of aluminizing coating the 4th pitch coat 14, the impregnated cable sack band overlap wrapping being 2.0mm at the periphery of the 4th pitch coat 14 employing thickness becomes the first dipping sack belt 15, at periphery coating the 5th pitch coat 16 of the first dipping sack belt 15, thickness is adopted to be that the impregnated cable sack band overlap wrapping of 2.0mm becomes winding direction and first that the second dipping sack belt 17, second floods sack belt 17 to flood sack belt 15 in the periphery of the 5th pitch coat 16 contrary.
(8) at periphery coating the 6th pitch coat 18 of the second dipping sack belt 17, at the anti-adhesive linkage 19 of the wrapped plastic film in periphery of the 6th pitch coat 18, the periphery coating talcum powder pulp layer of the anti-adhesive linkage 19 of plastic film.
In above step, first pitch coat 8, second pitch coat 10, the 3rd pitch coat 12, the 4th pitch coat 14, the 5th pitch coat 16 and the 6th pitch coat 18 adopt low temperature-20 DEG C not chap respectively, and the pitch coating that high temperature 90 DEG C does not occur to drip forms.
Carry out electrical performance test to the finished cable made above, result is as follows:
The foregoing is only the better possible embodiments of the present invention, non-ly therefore limit to scope of patent protection of the present invention.In addition to the implementation, the present invention can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection range of application claims.
Claims (7)
1. a bay symmetric audio communication cable, it is characterized in that: be extruded with high pressure polyethylene insulated layer outside solid circles copper conductor and form insulated wire cores, the described insulated wire cores of four different colours is twisted into star quad stranding group, is in the work of cornerwise two formations right, four described star quad stranding groups are wound with the colour band of different colours and tangent arranged in arrays in the form of a ring successively respectively, and the central area of four described star quad stranding groups is provided with star polypropylene bedding core, is provided with measurement copper cash in described polypropylene bedding core, holding wire is respectively equipped with between the periphery of star quad stranding group described in adjacent two, four described holding wires and four described star quad stranding groups are jointly around described polypropylene bedding core twisted synthesizing cable core, the periphery overlap of described cable core is surrounded with mylar tape, described holding wire and described star quad stranding group are inscribed within described mylar tape respectively, the periphery of described mylar tape is extruded with polyethylene from high pressure process sheath, the periphery uniform weave of described polyethylene from high pressure process sheath has the first dipping rope made of hemp lining, the periphery of described first dipping rope made of hemp lining is coated with the first pitch coat, the periphery of described first pitch coat is closely enclosed with copper alloy wire armour in concentric twisted mode, the periphery of described copper alloy wire armour is coated with the second pitch coat, the periphery uniform weave of described second pitch coat has the second dipping rope made of hemp lining, the periphery of described second dipping rope made of hemp lining is coated with the 3rd pitch coat, the periphery of described 3rd pitch coat is closely enclosed with in concentric twisted mode magnesium alloy steel wire armour layer of aluminizing, described periphery of aluminizing magnesium alloy steel wire armour layer is coated with the 4th pitch coat, the periphery of described 4th pitch coat is evenly surrounded with the first dipping sack belt, the periphery of described first dipping sack belt is coated with the 5th pitch coat, the periphery of described 5th pitch coat is evenly surrounded with the second dipping sack belt, the periphery of described second dipping sack belt is coated with the 6th pitch coat, the periphery of described 6th pitch coat is surrounded with the anti-adhesive linkage of plastic film, the diameter of described solid circles copper conductor is 1.2mm, the nominal thickness of described high pressure polyethylene insulated layer is 1.0mm and minimum thickness is not less than 90% of nominal thickness, maximum ga(u)ge is not more than 110% of nominal thickness, and the diameter deviation that arbitrary vertical cross-section records is no more than 10%, the twisting pitch of four star quad stranding groups is different.
2. bay symmetric audio communication cable according to claim 1, is characterized in that, the soft copper skein silk that described measurement copper cash is 0.3mm by seven diameters closes and forms, and stranded lay ratio is 20 ~ 22 times; The thickness of described mylar tape is 0.05mm and lap wound bag of attaching most importance to; The nominal thickness of described polyethylene from high pressure process sheath is 1.6 ~ 2.0mm, and minimum thickness is not less than 90% of nominal thickness, and maximum ga(u)ge is not more than 110% of nominal thickness, and the diameter deviation that arbitrary vertical cross-section records is no more than 20%.
3. bay symmetric audio communication cable according to claim 1, is characterized in that, described first dipping rope made of hemp lining and the second dipping rope made of hemp lining are formed by the concentric close weave of the impregnated cable rope made of hemp of 2.5mm respectively.
4. bay symmetric audio communication cable according to claim 1, it is characterized in that, described first pitch coat, the second pitch coat, the 3rd pitch coat, the 4th pitch coat, the 5th pitch coat and the 6th pitch coat adopt low temperature-20 DEG C not chap respectively, and the pitch coating that high temperature 90 DEG C does not occur to drip forms.
5. bay symmetric audio communication cable according to claim 1, it is characterized in that, the impregnated cable sack band overlap wrapping that described first dipping sack belt and the second dipping sack belt are 2.0mm by thickness respectively forms, and both winding directions are contrary.
6. bay symmetric audio communication cable according to claim 1, is characterized in that, the periphery of the anti-adhesive linkage of described plastic film is coated with talcum powder pulp layer.
7. a manufacture method for bay symmetric audio communication cable, is characterized in that, comprises the following steps successively: at diameter be 1.2mm solid circles copper conductor outside to be extruded with nominal thickness be that the high pressure polyethylene insulated layer of 1.0mm forms insulated wire cores; The described insulated wire cores of four different colours is twisted into star quad stranding group, is in the work of cornerwise two formations right; Be wound around the colour band of different colours outward respectively in described star quad stranding group, then by four described star quad stranding groups, tangent arranged in arrays is in the form of a ring in star polypropylene bedding core periphery successively, and the twisting pitch of four star quad stranding groups is different, is provided with measurement copper cash in described polypropylene bedding core; Then between the periphery of star quad stranding group described in adjacent two, holding wire is arranged respectively, then by four described holding wires and four described star quad stranding groups jointly around described polypropylene bedding core twisted synthesizing cable core, then the overlapping wrapped mylar tape in the periphery of described cable core, the thickness of mylar tape is 0.05mm; described holding wire and described star quad stranding group are inscribed within described mylar tape respectively, the polyethylene from high pressure process sheath that nominal thickness is 1.6 ~ 2.0mm is extruded in the periphery of described mylar tape, adopt the concentric close weave of the impregnated cable rope made of hemp first of 2.5mm to flood rope made of hemp lining in the periphery of described polyethylene from high pressure process sheath, the first pitch coat is applied in the periphery of described first dipping rope made of hemp lining, copper alloy wire armour is closely wrapped up in concentric twisted mode in the periphery of described first pitch coat, the second pitch coat is applied in the periphery of described copper alloy wire armour, adopt the concentric close weave of the impregnated cable rope made of hemp second of 2.5mm to flood rope made of hemp lining in the periphery of described second pitch coat, at periphery coating the 3rd pitch coat of described second dipping rope made of hemp lining, closely wrap up in concentric twisted mode magnesium alloy steel wire armour layer of aluminizing in the periphery of described 3rd pitch coat, at the periphery of described magnesium alloy steel wire armour layer of aluminizing coating the 4th pitch coat, the impregnated cable sack band overlap wrapping being 2.0mm at the periphery of described 4th pitch coat employing thickness becomes the first dipping sack belt, at periphery coating the 5th pitch coat of described first dipping sack belt, the impregnated cable sack band overlap wrapping being 2.0mm at the periphery of described 5th pitch coat employing thickness becomes the second dipping sack belt, at periphery coating the 6th pitch coat of described second dipping sack belt, at the anti-adhesive linkage of the wrapped plastic film in periphery of described 6th pitch coat.
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| CN201210537345.1A CN103050182B (en) | 2012-12-13 | 2012-12-13 | Shallow seabed symmetric audio communication cable and manufacture method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210537345.1A CN103050182B (en) | 2012-12-13 | 2012-12-13 | Shallow seabed symmetric audio communication cable and manufacture method thereof |
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| CN103050182B true CN103050182B (en) | 2015-05-27 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202258492U (en) * | 2011-08-03 | 2012-05-30 | 安徽坤龙电缆有限公司 | Fluoroplastic insulating flame-retardant control cable with polyvinyl chloride sheath |
| CN202258487U (en) * | 2011-08-24 | 2012-05-30 | 宝胜科技创新股份有限公司 | Electric power communication intelligent cable for deep well detection |
| CN203085280U (en) * | 2012-12-13 | 2013-07-24 | 江苏远洋东泽电缆股份有限公司 | Shallow seabed symmetrical audio frequency communication cable |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2579615B2 (en) * | 1993-10-11 | 1997-02-05 | 株式会社フジクラ | Optical fiber composite cable |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202258492U (en) * | 2011-08-03 | 2012-05-30 | 安徽坤龙电缆有限公司 | Fluoroplastic insulating flame-retardant control cable with polyvinyl chloride sheath |
| CN202258487U (en) * | 2011-08-24 | 2012-05-30 | 宝胜科技创新股份有限公司 | Electric power communication intelligent cable for deep well detection |
| CN203085280U (en) * | 2012-12-13 | 2013-07-24 | 江苏远洋东泽电缆股份有限公司 | Shallow seabed symmetrical audio frequency communication cable |
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| 马正厚,陆国梁."一百二十路(4/15)浅海电缆及其制造".《传输线技术》.1985,(第2期),1-6. * |
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